<template>
  <div>
    <el-form :inline="true">
      <el-form-item>
        <el-input v-model="searchForm.name" placeholder="名称" clearable @clear="getList"></el-input>
      </el-form-item>
      <el-form-item>

        <el-button @click="select">搜索</el-button>
        <el-button type="primary" @click="saveHandle" v-if="hasAuth('sys:role:save')">新增</el-button>

        <el-popconfirm title="确定要删除这些记录吗？" @confirm="delHandle(null)" style="margin-left: 10px;"
                       v-if="hasAuth('sys:role:delete')">
          <el-button type="danger" slot="reference" :disabled="delBtnStu">批量删除</el-button>
        </el-popconfirm>
      </el-form-item>

    </el-form>

    <el-table ref="multipleTable" border stripe :data="tableData" tooltip-effect="dark" style="width: 100%"
              @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="name" label="名称" width="120"></el-table-column>
      <el-table-column prop="code" label="唯一编码" width="120"></el-table-column>
      <el-table-column prop="remark" label="描述"></el-table-column>
      <el-table-column prop="state" label="状态" width="120">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.state === 0" size="small" type="danger">禁用</el-tag>
          <el-tag v-else-if="scope.row.state === 1" size="small" type="success">正常</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="220" v-if="hiddenTableCol">
        <template slot-scope="scope">
          <el-button type="text" @click="permHandle(scope.row.id)" v-if="hasAuth('sys:role:perm')">分配权限</el-button>

          <el-divider direction="vertical" v-if="hasAuth('sys:role:perm')&&pagePerms.length>1"></el-divider>
          <el-button type="text" @click="editHandle(scope.row.id)" v-if="hasAuth('sys:role:update')">编辑</el-button>

          <el-divider direction="vertical" v-if="hasAuth('sys:role:delete')&&pagePerms.length>1"></el-divider>
          <el-popconfirm title="确定要删除这条记录吗？" @confirm="delHandle(scope.row.id)" v-if="hasAuth('sys:role:delete')">
            <el-button type="text" slot="reference">删除</el-button>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>

    <!--页码-->
    <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="current"
                   :page-sizes="[10, 20, 50, 100]" :page-size="size" layout="total, sizes, prev, pager, next, jumper"
                   :total="total"></el-pagination>

    <!-- 编辑对话框 -->
    <el-dialog title="角色信息" :visible.sync="dialogFormVisible" width="600px" @closed="resetForm('editForm')">
      <el-form :model="editForm" :rules="editFormRules" ref="editForm">
        <el-form-item label="角色名称" prop="name" label-width="100px">
          <el-input v-model="editForm.name" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="唯一编码" prop="code" label-width="100px">
          <el-input v-model="editForm.code" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="描述" prop="remark" label-width="100px">
          <el-input v-model="editForm.remark" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="状态" prop="state" label-width="100px">
          <el-radio-group v-model="editForm.state">
            <el-radio :label="0">禁用</el-radio>
            <el-radio :label="1">正常</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="resetForm('editForm')">取 消</el-button>
        <el-button type="primary" @click="submitEditForm('editForm')">确 定</el-button>
      </div>
    </el-dialog>

    <!-- 分配权限对话框 -->
    <el-dialog title="分配权限" :visible.sync="permDialogFormVisible" width="600px" @closed="resetForm('permForm')">
      <el-form :model="permForm" ref="permForm">
        <el-tree :data="permTreeData" show-checkbox ref="permTree" :check-strictly=checkStrictly node-key="id"
                 :default-expand-all=true :props="defaultProps"></el-tree>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="resetForm('permForm')">取 消</el-button>
        <el-button type="primary" @click="submitPermForm('permForm')">确 定</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
import qs from 'qs'

export default {

  name: "Role",
  data() {
    return {
      searchForm: {name: ''},
      tableData: [],
      multipleSelection: [],
      dialogFormVisible: false,
      permDialogFormVisible: false,
      delBtnStu: true,
      current: 1,
      total: 0,
      size: 10,
      editForm: {},
      editFormRules: {
        name: [{required: true, message: '请输入名称', trigger: 'blur'}],
        code: [{required: true, message: '请输入唯一编码', trigger: 'blur'}],
        state: [{required: true, message: '请选择状态', trigger: 'blur'}]
      },
      permForm: {},
      defaultProps: {children: 'children', label: 'name'},
      permTreeData: [],
      checkStrictly: true,
      pagePerms: [],
      hiddenTableCol: false,
    }
  },
  methods: {
    select() {
      this.current = 1;
      this.getList();
    },
    saveHandle() {
      this.resetForm('editForm');
      this.dialogFormVisible = true
    },
    toggleSelection(rows) {
      if (rows) {
        rows.forEach(row => {
          this.$refs.multipleTable.toggleRowSelection(row);
        });
      } else {
        this.$refs.multipleTable.clearSelection();
      }
    },
    handleSelectionChange(val) {
      //val为选中的行数组
      this.multipleSelection = val;
      this.delBtnStu = val.length === 0
    },
    getList() {
      this.$axios.get('/sys/role', {
        params: {
          name: this.searchForm.name,
          current: this.current,
          size: this.size
        }
      }).then(res => {
        this.tableData = res.data.data
        this.total = res.data.total
      })
      this.$axios.get("/sys/menu").then(res => {
        this.permTreeData = res.data.data
      })
    },
    handleSizeChange(val) {
      this.size = val
      this.getList()
    },
    handleCurrentChange(val) {
      this.current = val
      this.getList()
    },
    submitEditForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          const loading = this.$loading({
            lock: true,
            text: '正在提交表单',
            spinner: 'el-icon-loading',
            background: 'rgba(0, 0, 0, 0.7)'
          });
          this.$axios.post('/sys/role', this.editForm).then(res => {
            loading.close();
            this.resetForm(formName)
            this.$message({
              showClose: true, message: '恭喜你，操作成功', type: 'success', onClose: () => {
                this.getList()
              }
            });
          })
        } else {
          console.log('error submit!!');
          return false;
        }
      });
    },
    editHandle(id) {
      const loading = this.$loading({
        lock: true,
        text: '正在提交表单',
        spinner: 'el-icon-loading',
        background: 'rgba(0, 0, 0, 0.7)'
      });
      this.$axios.get("/sys/role/info/" + id).then(res => {
        loading.close();
        this.editForm = res.data.data
        this.dialogFormVisible = true
      })
    },
    delHandle(id) {
      let ids = []
      id ? ids.push(id) : this.multipleSelection.forEach(row => {
        ids.push(row.id)
      })
      this.$axios.delete("/sys/role", {
            params: {
              ids: ids,
            },
            paramsSerializer: params => {
              return qs.stringify(params, {indices: false})
            }
          }
      ).then(res => {
        this.$message({
          showClose: true, message: '恭喜你，操作成功', type: 'success', onClose: () => {
            this.getList()
          }
        });
      })
    },
    resetForm(formName) {
      if (this.$refs[formName]) {
        this.$refs[formName].resetFields();
      }
      this.editForm = {}
      this.dialogFormVisible = false
      this.permDialogFormVisible = false
    },
    permHandle(id) {

      this.permDialogFormVisible = true
      this.$axios.get("/sys/role/info/" + id).then(res => {
        this.$refs.permTree.setCheckedKeys(res.data.data.menuIds);
        this.permForm = res.data.data

      })
    },
    submitPermForm(formName) {
      let menuIds = [];
      //返回选择的数组
      menuIds = this.$refs.permTree.getCheckedKeys()
      // menuIds = menuIds.concat(this.$refs.permTree.getHalfCheckedKeys())

      this.$axios.post("/sys/role/perm/" + this.permForm.id, menuIds).then(res => {
        this.$message({
          showClose: true, message: '恭喜你，操作成功', type: 'success', onClose: () => {
            this.resetForm(formName)
          }
        });
        this.permDialogFormVisible = false
      })
    },
  },
  created() {
    this.getList();

    this.hiddenTableCol = this.hasAuth('sys:role:perm')
        || this.hasAuth('sys:role:update') || this.hasAuth('sys:role:delete')
    this.pagePerms = this.getPagePerms(this.$route.name);
  }
}
</script>

<style scoped>
.el-pagination {
  float: right;
  margin-top: 20px;
  padding-bottom: 30px;
}
</style>
